Smart Image DPI Checker
Instantly read the real DPI/PPI embedded in your photo — not a guess.
Click to Upload or Drag & Drop
JPG, PNG, WEBP, BMP or GIF · Check multiple images at once · Nothing leaves your device
Print Size at Detected DPI
The physical size this image prints at, using its own embedded resolution.
| Unit | Width | Height |
|---|
Print Quality at Common Sizes
Effective DPI your image would deliver at popular print sizes, based on its actual pixel dimensions.
| Print Size | Effective DPI | Rating |
|---|
Custom Print Size Calculator
Enter any target size to see the exact DPI this image will produce — or the pixel size you'd need for a perfect 300 DPI print.
DPI Reference Guide
What your detected DPI is actually good for.
| Use Case | Recommended DPI |
|---|
Batch Comparison
Every image you've uploaded this session, side by side.
| File | Pixels | Detected DPI | Source | Rating (8×10) |
|---|
Absolute privacy: every byte of analysis — metadata parsing, pixel measurement, DPI math — happens locally in your browser. Your images are never uploaded, stored, or transmitted to any server.
Why Tools Rippo's DPI Checker Is More Accurate
Most online "DPI checkers" only look at pixel dimensions and assume 72 or 96 DPI. We go further.
Real Metadata Parsing
We read the actual JFIF density header and EXIF resolution tags in JPEGs, and the pHYs chunk in PNGs — the same data print software and cameras write — instead of guessing.
Real-World Print Ratings
See exactly what quality your file will print at — from wallet size to poster — based on its true pixel count, not a generic score.
Reverse DPI Calculator
Tell us your target print size and we'll tell you the DPI you'll get, or the resolution you need to shoot for.
Batch Checking
Drop in several images at once and compare their resolution and print-readiness in one table.
How to Use the Image DPI Checker
- Upload Drag and drop, click to browse, or paste an image directly into the page.
- Read the result The large number is the image's real detected DPI, along with a green (excellent), amber (fair) or red (low) print-quality badge.
- Check print sizes Scroll to see how large you can print it at professional quality, and how it performs at common sizes like 4×6, 8×10 or A4.
- Calculate a custom size Enter any dimensions to instantly see the DPI you'd get, or the pixel resolution required for a crisp 300 DPI print.
Frequently Asked Questions
Why does my image show 72 DPI when it looks high quality?
DPI metadata only describes an intended print scale — it does not affect on-screen quality or the pixel count of the file. Many cameras and editors default to 72 or 96 DPI regardless of resolution. What actually matters for printing is the pixel dimensions divided by your chosen print size, which is exactly what our Print Quality and Calculator sections show you.
What DPI do I need for professional printing?
300 DPI is the standard for sharp, professional prints such as photos and brochures. 150–200 DPI is acceptable for casual prints, while large-format prints like posters and banners viewed from a distance can look great at 100–150 DPI.
Does this tool change or edit my image?
No. This is a read-only analyzer. It measures metadata and pixel dimensions and never modifies, compresses, or re-uploads your file anywhere.
Why do some formats show "no embedded DPI found"?
Formats like WEBP, BMP, and GIF typically don't store a resolution tag at all, and many JPEGs/PNGs are exported without one too. When no tag exists, we clearly label it as an assumed default rather than presenting a guess as a fact — and you can still use the Calculator to work out true print DPI from pixel size.